(1) Any time an employee applies for paid family or medical leave benefits, the application must be supported by documentation or certification as required in Title 50A RCW and the rules adopted by the department.

(2) If an employee does not provide sufficient documentation or certification substantiating the employee's qualification for benefits, the department will deny benefits until sufficient documentation or certification substantiating the qualifying event is provided.

(3) The department may require the employee to provide additional documentation or certification to substantiate the qualification for benefits if:

(a) The employee requests an extension of the leave originally planned;

(b) Circumstances of the serious health condition change;

(c) Information is provided to the department that the employee may no longer be qualified for benefits; or

(d) Other circumstances cause the department to question the employee's qualification for benefits.